PS05 Hadronic Physics
η c and η b in two-photon collisions
Institute for High Energy Physics, Protvino 142281, Russia
Accepted: 9 January 2004
Published online: 17 February 2004
Recent results on formation of η c (2980) meson at LEP 1 and LEP 2 energies and search for η b at LEP 2 are presented. η c (2980) is seen in different decay modes and its two-photon radiative decay width is measured.
© Società Italiana di Fisica, Springer-Verlag, 2004